/**
 * Whether a compressed XOVER reply that doesn't inflate is the server's: the
 * range fetched raw twice (compared with a saved copy), and once uncompressed.
 *
 *   node --env-file=.env --import=@poppinss/ts-exec tools/false_end.ts <group> <from> <to> [saved.gz]
 */
import { readFileSync } from 'node:fs'
import { unzipSync } from 'node:zlib'
import { XoverClient } from '#lib/nntp/index'

const [group, from, to, saved] = process.argv.slice(2)
const env = process.env
const connect = (compress: boolean) =>
  XoverClient.connect({ host: env.NNTP_HOST!, port: Number(env.NNTP_PORT ?? 563), user: env.NNTP_USER, password: env.NNTP_PASSWORD, secure: (env.NNTP_SECURE ?? 'true') !== 'false', compress, timeoutMs: 120_000 })
const gz = await connect(true)
await gz.group(group)
for (let i = 0; i < 2; i++) {
  const raw = await gz.xoverRaw(Number(from), Number(to))
  let inflates = 'inflates'
  try {
    unzipSync(raw)
  } catch (e: any) {
    inflates = `doesn't inflate (${e.message})`
  }
  const same = saved ? (Buffer.compare(raw, readFileSync(saved)) === 0 ? ', same bytes as saved' : ', differs from saved') : ''
  console.log(`compressed #${i + 1}: ${raw.length} bytes, ${inflates}${same}`)
}
gz.close()
const plain = await connect(false)
await plain.group(group)
const lines = await plain.xover(Number(from), Number(to))
console.log(`plain: ${lines.length} overview lines`)
plain.close()